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158538084 = 223101130807
BaseRepresentation
bin10010111001100…
…01100101100100
3102001022120100220
421130301211210
5311041204314
623422004340
73633360105
oct1134614544
9361276326
10158538084
1181544011
12451166b0
1326acb223
14170ac3ac
15ddb93a9
hex9731964

158538084 has 24 divisors (see below), whose sum is σ = 373587648. Its totient is φ = 52322400.

The previous prime is 158538067. The next prime is 158538089. The reversal of 158538084 is 480835851.

It is not an unprimeable number, because it can be changed into a prime (158538089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64192 + ... + 66615.

It is an arithmetic number, because the mean of its divisors is an integer number (15566152).

Almost surely, 2158538084 is an apocalyptic number.

It is an amenable number.

158538084 is an abundant number, since it is smaller than the sum of its proper divisors (215049564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158538084 is a wasteful number, since it uses less digits than its factorization.

158538084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130915 (or 130913 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 158538084 is about 12591.1907300303. The cubic root of 158538084 is about 541.2250240668.

The spelling of 158538084 in words is "one hundred fifty-eight million, five hundred thirty-eight thousand, eighty-four".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 1212 130807 261614 392421 523228 784842 1569684 13211507 26423014 39634521 52846028 79269042 158538084